/* Firefox只有下面一小块区域可以拉伸 */
@supports (-moz-user-select: none) {
  .resize-bar:hover ~ .resize-line,
  .resize-bar:active ~ .resize-line {
    border-left: 1px solid #bbb;
  }
  .resize-bar:hover ~ .resize-line::after,
  .resize-bar:active ~ .resize-line::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    bottom: 0;
    right: -8px;
    background-size: 100% 100%;
  }
}

:global {
  .column {
    overflow: hidden;
  }
  .column-left {
    height: 400px;
    background-color: #fff;
    position: relative;
    float: left;
  }
  .column-right {
    height: 400px;
    padding: 16px;
    background-color: #eee;
    box-sizing: border-box;
    overflow: hidden;
  }
  .resize-save {
    position: absolute;
    top: 0;
    right: 5px;
    bottom: 0;
    left: 0;
    padding: 16px;
    overflow-x: hidden;
  }
  .resize-bar {
    width: 200px;
    height: inherit;
    resize: horizontal;
    cursor: ew-resize;
    cursor: col-resize;
    opacity: 0;
    overflow: scroll;
  }
  /* 拖拽线 */
  .resize-line {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    border-right: 2px solid #eee;
    border-left: 1px solid #bbb;
    pointer-events: none;
  }
  .resize-bar:hover ~ .resize-line,
  .resize-bar:active ~ .resize-line {
    border-left: 1px dashed skyblue;
  }
  .resize-bar::-webkit-scrollbar {
    width: 200px;
    height: inherit;
  }
}
